Load and Fault Interrupting through 38kV, 800A load break and continuous, and 16kA symmetrical fault interrupting.
WHAT IS SOLID DIELECTRIC INSULATION?
G&W’s solid dielectric insulation is a field proven epoxy which is used to insulate the high voltage connections of a vacuum switch. The load break and fault interrupting vacuum bottle and bushing conductors are fully over molded creating a single phase module. Each module is then coated with a semi-conductive paint creating a continuous grounding surface for a truly dead front design. For three phase switches, three modules are combined together to create one way of the switch.
Each module can also include an integral current transformer fully protected by the solid dielectric epoxy. This ensures that the transformer is impervious to environmental conditions and insulated from extreme temperatures.
G&W’s molding expertise allows for various options including 200A bushing wells or 600A apparatus bushings. The rugged epoxy surface minimizes the force required for removing elbow connections compared to rubber-to-rubber junctions. Different module orientations are available which permit cable entry from the front, back, or bottom of the unit.
The solid dielectric insulations and vacuum bottle combination make the Trident switchgear suitable for wet and corrosive environments, vertical or horizontal mounting and use in any altitude.